Tag: solar

  • Solar eclipse tracker: What time will it hit your location on August 12? | How the solar eclipse …

    Solar eclipse tracker: What time will it hit your location on August 12? | How the solar eclipse …

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    Solar eclipse tracker: What time will it hit your location on August 12?

    On August 12, nearly one billion people could potentially see a partial solar eclipse, with 15 million in its path of totality.

    On August 12, 2026, starting at 15:34 GMT, the moon’s shadow will race from the Arctic across Greenland, Iceland and Spain, blotting out the sun for as long as two minutes and 18 seconds.

    Wednesday’s eclipse will be mainland Europe’s first total solar eclipse since 1999, with about 15 million people, mostly in Spain, living in the path of totality.

    A partial eclipse will be visible across much of Western Europe, parts of Northwestern Africa, and a small portion of the United States. Overall, about 980 million people, nearly one in eight worldwide, can see the sun at least partly covered.

    How the solar eclipse could destroy your phone

    Hundreds of millions of people across Europe will get the chance to see a partial or total eclipse on Wednesday when the Moon passes in front of the Sun.

    Many will be hoping to capture the celestial phenomenon on their phones or cameras, though experts have warned that pointing a lens directly at the Sun could cause permanent damage to a device.

    Direct exposure to the Sun, even when partially covered by the Moon, risks overheating a smartphone or digital camera.

    Pointing a camera at the Sun for a prolonged period could even burn the photodiodes within the internal sensor, creating dead pixels that cannot be repaired.

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    Will This Week’s Total Solar Eclipse Visible In Australia?

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    One of the most remarkable solar eclipses in over two decades is set to take over the skies this week. A total solar eclipse will sweep across the Arctic and into southern Europe, plunging parts of Greenland, Iceland, Spain and a corner of Portugal into darkness, marking the first time mainland Europe has seen this kind of astronomical event in totality since 1999.Unlike February’s “ring of fire” eclipse, which left a thin halo of light around the Moon, the August 12th event will see the Moon fully blocks the Sun, turning day briefly to night for anyone standing in its path.It’s the astronomical event of a lifetime, but unfortunately for those of us living in Australia, we won’t get to glimpse it in real life — but that doesn’t mean we have to miss out altogether.

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  • Sun unleashes colossal solar flare and coronal mass ejection, raising the chances of northern lig…

    Sun unleashes colossal solar flare and coronal mass ejection, raising the chances of northern lig…

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    Sun unleashes colossal solar flare and coronal mass ejection, raising the chances of northern lights tonight

    Breaking space news, the latest updates on rocket launches, skywatching events and more!

    Breaking space news, the latest updates on rocket launches, skywatching events and more!

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    Eruption blows hole in sun's atmosphere, possibly triggering northern lights

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    How to Watch the Northern Lights Tonight

    A solar flare on Sunday, May 10, launched material that could spark northern lights displays on Tuesday, May 12, into Wednesday, May 13

    Forecasters predict isolated G1 geomagnetic storm conditions may make auroras visible in parts of the northern U.S. and U.K.

    Visibility depends on location and darkness, with the best chance during pre-dawn hours away from city lights

    The cosmos may be stirring up another round of northern lights magic tonight!

    On May 10, a powerful solar flare erupted from the sun — per Space.com — launching a massive burst of solar material into space that could brush past Earth late Tuesday, May 12, into early Wednesday, May 13.

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  • Household solar is easier said than installed | “Spin-flip” system pushes solar cell energy conve…

    Household solar is easier said than installed | “Spin-flip” system pushes solar cell energy conve…

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    Household solar is easier said than installed

    Analysis of longitudinal survey data has explored the link between intended and actual solar panel adoption in UK households. It finds that while most households that had intention of installing solar in 2012-13 were yet to do so by 2021-22, serious intention to install solar still increases the likelihood of adoption more than other factors such as income and environmental perceptions.

    Intention to install household solar in the U.K. has not often translated to actual adoption, new research suggests.

    The research paper “Do intentions matter in household solar panel adoption? New evidence,” available in the journal Energy Economics, analyzes the link between stated intentions and actual adoption of UK household solar installations by using data from the UK Household Longitudinal Study. The survey is considered one of the world’s largest panel surveys, with a sample size of 40,000 households and approximately 100,000 individuals.

    "Spin-flip" system pushes solar cell energy conversion efficiency past 100%

    Energy can never be created or destroyed. That's basic Physics 101. You simply cannot create energy out of thin air. Yet researchers at Kyushu University in Japan say they have developed a technology that pushes the energy conversion efficiency of solar cells to 130%!

    At first glance, the results of the research, conducted with collaborators at Johannes Gutenberg University in Germany, sound fanciful at best. However, the reality is far more nuanced. Using a molybdenum-based “spin-flip” metal complex paired with a singlet fission material, the scientists managed to generate more usable energy carriers than incoming photons.

    At any given moment during the day, the Earth receives roughly 89,000 terawatts of solar energy – almost 5,000 times the global human energy consumption annually. However, modern solar technologies capture only a fraction of it.

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    Scientists Set New Record for Solar Cell Efficiency

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    What’s not to love about solar energy? Using photovoltaic cells — tiny semiconductors that convert light directly into electricity — we’re able to harness the power of the Sun itself, turning it into wattage to power our homes.

    It’s great in theory, but there’s a huge catch. Of all the power our star graciously beams to us, only about 33 percent of it can ever be turned into usable electricity, and most commercial solar panels don’t even come close to that.

    This ceiling is known as the Shockley-Queisser limit, named after the two physicists who first theorized it back in 1961. The reason comes down to thermodynamics: sunlight comes to us as a vast rainbow of light energy, but we can only convert a narrow slice of that spectrum into usable electricity. The rest either passes through, or is lost as excess heat.

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  • The Solar System Internet: Envisioning a networked future beyond Earth | What is NASA’s Near Sp…

    The Solar System Internet: Envisioning a networked future beyond Earth | What is NASA’s Near Sp…

    Explore the latest developments concerning The Solar System.

    The Solar System Internet: Envisioning a networked future beyond Earth

    As humanity’s ambitions extend beyond Earth—evidenced by NASA’s Artemis program and burgeoning commercial lunar and Martian ventures—the limitations of current space communications are increasingly apparent. Traditional point-to-point links, reliant on scheduled radiofrequency (RF) contacts and specialized protocols, struggle with the challenges of interplanetary distances such as propagation delays exceeding 20 minutes one-way to Mars, frequent line-of-sight disruptions, and asymmetric data rates where uplink capacities can be orders of magnitude lower than downlink. In response, researchers have been working to enable a Solar System Internet (SSI), a visionary architecture leveraging Delay Tolerant Networking (DTN) using the Bundle Protocol (BP) to create a standardized, overlay network akin to (but distinct from) the terrestrial Internet.

    What is NASA’s Near Space Network, and how will NASA Artemis astronauts stay in touch with Earth?

    Communication is the lifeline of any space mission. For the Artemis programme, NASA utilises two distinct systems: the Near Space Network and the Deep Space Network.

    Managed by NASA’s Goddard Space Flight Center, the Near Space Network connects with spacecraft up to 2 million kilometres away. It uses a mix of commercial and government ground stations to track rockets immediately after liftoff.

    When the Space Launch System (SLS) rocket lifts off, the Near Space Network is the primary link. It captures critical telemetry data and voice comms as the Orion capsule circles Earth before heading to the Moon.

    Once Orion pushes away from Earth towards the Moon, communication is handed over to the Deep Space Network. This system is designed to handle signals from distances exceeding 30,000 kilometres, ensuring clarity in deep space.

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    Astronomers detect a solar system they say should not be possible

    An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, or ESA.

    Four planets orbit LHS 1903 — a red dwarf star, the most common type of star in the universe — and are arranged in a peculiar sequence. The innermost planet is rocky, while the next two are gaseous, and then, unexpectedly, the outermost planet is also rocky.

    This arrangement contradicts a pattern commonly seen across the galaxy and in our own solar system, where the rocky planets (Mercury, Venus, Earth and Mars) orbit closer to the sun and the gaseous ones (Jupiter, Saturn, Uranus and Neptune) are farther away.

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